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Finding the Fourth Proportional to 5,284.79, 7,927.44 and 4,358.64

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Solution

The fourth proportional to 5,284.79, 7,927.44 and 4,358.64 is: 6,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.79 : 7,927.44 = 4,358.64 : x
  2. Step 2: Convert to fraction form
    5,284.79/7,927.44 = 4,358.64/x
  3. Step 3: Cross multiply
    5,284.79x = 7,927.44 × 4,358.64
  4. Step 4: Simplify right side
    5,284.79x = 34,552,840.35
  5. Step 5: Solve for x
    x = 34,552,840.35/5,284.79
  6. Step 6: Final answer
    x = 6,538.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.